/**
 * @license  Highcharts JS v7.0.2 (2019-01-17)
 *
 * Indicator series type for Highstock
 *
 * (c) 2010-2019 Wojciech Chmiel
 *
 * License: www.highcharts.com/license
 */
'use strict';
(function (factory) {
	if (typeof module === 'object' && module.exports) {
		factory['default'] = factory;
		module.exports = factory;
	} else if (typeof define === 'function' && define.amd) {
		define(function () {
			return factory;
		});
	} else {
		factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
	}
}(function (Highcharts) {
	(function (H) {
		/* *
		 *
		 *  License: www.highcharts.com/license
		 *
		 * */



		var ATR = H.seriesTypes.atr,
		    SMA = H.seriesTypes.sma,
		    isArray = H.isArray,
		    merge = H.merge,
		    correctFloat = H.correctFloat;

		// Utils:
		function createPointObj(mainSeries, index, close) {
		    return {
		        index: index,
		        close: mainSeries.yData[index][close],
		        x: mainSeries.xData[index]
		    };
		}

		/**
		 * The Supertrend series type.
		 *
		 * @private
		 * @class
		 * @name Highcharts.seriesTypes.supertrend
		 *
		 * @augments Highcharts.Series
		 */
		H.seriesType(
		    'supertrend',
		    'sma',
		    /**
		     * Supertrend indicator. This series requires the `linkedTo` option to be
		     * set and should be loaded after the `stock/indicators/indicators.js` and
		     * `stock/indicators/sma.js`.
		     *
		     * @sample {highstock} stock/indicators/supertrend
		     *         Supertrend indicator
		     *
		     * @extends      plotOptions.sma
		     * @since        7.0.0
		     * @product      highstock
		     * @excluding    allAreas, color, cropThreshold, negativeColor, colorAxis,
		     *               joinBy, keys, navigatorOptions, pointInterval,
		     *               pointIntervalUnit, pointPlacement, pointRange, pointStart,
		     *               showInNavigator, stacking, threshold
		     * @optionparent plotOptions.supertrend
		     */
		    {
		        /**
		         * Paramters used in calculation of Supertrend indicator series points.
		         *
		         * @excluding index
		         */
		        params: {
		            /**
		             * Multiplier for Supertrend Indicator.
		             */
		            multiplier: 3,
		            /**
		             * The base period for indicator Supertrend Indicator calculations.
		             * This is the number of data points which are taken into account
		             * for the indicator calculations.
		             */
		            period: 10
		        },
		        /**
		         * Color of the Supertrend series line that is beneath the main series.
		         *
		         * @sample {highstock} stock/indicators/supertrend/
		         *         Example with risingTrendColor
		         *
		         * @type {Highcharts.ColorString}
		         */
		        risingTrendColor: '#06B535',
		        /**
		         * Color of the Supertrend series line that is above the main series.
		         *
		         * @sample {highstock} stock/indicators/supertrend/
		         *         Example with fallingTrendColor
		         *
		         * @type {Highcharts.ColorString}
		         */
		        fallingTrendColor: '#F21313',
		        /**
		         * The styles for the Supertrend line that intersect main series.
		         *
		         * @sample {highstock} stock/indicators/supertrend/
		         *         Example with changeTrendLine
		         */
		        changeTrendLine: {
		            styles: {
		                /**
		                 * Pixel width of the line.
		                 */
		                lineWidth: 1,

		                /**
		                 * Color of the line.
		                 *
		                 * @type {Highcharts.ColorString}
		                 */
		                lineColor: '#333333',

		                /**
		                 * The dash or dot style of the grid lines. For possible
		                 * values, see
		                 * [this demonstration](https://jsfiddle.net/gh/get/library/pure/highcharts/highcharts/tree/master/samples/highcharts/plotoptions/series-dashstyle-all/).
		                 *
		                 * @sample {highcharts} highcharts/yaxis/gridlinedashstyle/
		                 *         Long dashes
		                 * @sample {highstock} stock/xaxis/gridlinedashstyle/
		                 *         Long dashes
		                 *
		                 * @type  {Highcharts.DashStyleType}
		                 * @since 7.0.0
		                 */
		                dashStyle: 'LongDash'
		            }
		        }
		    },
		    /**
		     * @lends Highcharts.Series.prototype
		     */
		    {
		        nameBase: 'Supertrend',
		        nameComponents: ['multiplier', 'period'],
		        requiredIndicators: ['atr'],
		        init: function () {
		            var options,
		                parentOptions;

		            SMA.prototype.init.apply(this, arguments);

		            options = this.options;
		            parentOptions = this.linkedParent.options;

		            // Indicator cropThreshold has to be equal linked series one
		            // reduced by period due to points comparison in drawGraph method
		            // (#9787)
		            options.cropThreshold =
		                parentOptions.cropThreshold - (options.params.period - 1);
		        },
		        drawGraph: function () {
		            var indicator = this,
		                indicOptions = indicator.options,

		                // Series that indicator is linked to
		                mainSeries = indicator.linkedParent,
		                mainLinePoints = mainSeries ? mainSeries.points : [],
		                indicPoints = indicator.points,
		                indicPath = indicator.graph,
		                indicPointsLen = indicPoints.length,

		                // Points offset between lines
		                tempOffset = mainLinePoints.length - indicPointsLen,
		                offset = tempOffset > 0 ? tempOffset : 0,
		                gappedExtend = {
		                    options: {
		                        gapSize: indicOptions.gapSize
		                    }
		                },

		                // Sorted supertrend points array
		                groupedPoitns = {
		                    top: [], // Rising trend line points
		                    bottom: [], // Falling trend line points
		                    intersect: [] // Change trend line points
		                },

		                // Options for trend lines
		                supertrendLineOptions = {
		                    top: {
		                        styles: {
		                            lineWidth: indicOptions.lineWidth,
		                            lineColor: indicOptions.fallingTrendColor,
		                            dashStyle: indicOptions.dashStyle
		                        }
		                    },
		                    bottom: {
		                        styles: {
		                            lineWidth: indicOptions.lineWidth,
		                            lineColor: indicOptions.risingTrendColor,
		                            dashStyle: indicOptions.dashStyle
		                        }
		                    },
		                    intersect: indicOptions.changeTrendLine
		                },
		                close = 3,

		                // Supertrend line point
		                point,

		                // Supertrend line next point (has smaller x pos than point)
		                nextPoint,

		                // Main series points
		                mainPoint,
		                nextMainPoint,

		                // Used when supertrend and main points are shifted
		                // relative to each other
		                prevMainPoint,
		                prevPrevMainPoint,

		                // Used when particular point color is set
		                pointColor,

		                // Temporary points that fill groupedPoitns array
		                newPoint,
		                newNextPoint;

		            // Loop which sort supertrend points
		            while (indicPointsLen--) {
		                point = indicPoints[indicPointsLen];
		                nextPoint = indicPoints[indicPointsLen - 1];
		                mainPoint = mainLinePoints[indicPointsLen - 1 + offset];
		                nextMainPoint = mainLinePoints[indicPointsLen - 2 + offset];
		                prevMainPoint = mainLinePoints[indicPointsLen + offset];
		                prevPrevMainPoint = mainLinePoints[indicPointsLen + offset + 1];
		                pointColor = point.options.color;
		                newPoint = {
		                    x: point.x,
		                    plotX: point.plotX,
		                    plotY: point.plotY,
		                    isNull: false
		                };

		                // When mainPoint is the last one (left plot area edge)
		                // but supertrend has additional one
		                if (
		                    !nextMainPoint &&
		                    mainPoint &&
		                    mainSeries.yData[mainPoint.index - 1]
		                ) {
		                    nextMainPoint = createPointObj(
		                        mainSeries, mainPoint.index - 1, close
		                    );
		                }

		                // When prevMainPoint is the last one (right plot area edge)
		                // but supertrend has additional one (and points are shifted)
		                if (
		                    !prevPrevMainPoint &&
		                    prevMainPoint &&
		                    mainSeries.yData[prevMainPoint.index + 1]
		                ) {
		                    prevPrevMainPoint = createPointObj(
		                        mainSeries, prevMainPoint.index + 1, close
		                    );
		                }

		                // When points are shifted (right or left plot area edge)
		                if (
		                    !mainPoint &&
		                    nextMainPoint &&
		                    mainSeries.yData[nextMainPoint.index + 1]
		                ) {
		                    mainPoint = createPointObj(
		                        mainSeries, nextMainPoint.index + 1, close
		                    );
		                } else if (
		                    !mainPoint &&
		                    prevMainPoint &&
		                    mainSeries.yData[prevMainPoint.index - 1]
		                ) {
		                    mainPoint = createPointObj(
		                        mainSeries, prevMainPoint.index - 1, close
		                    );
		                }

		                // Check if points are shifted relative to each other
		                if (
		                    point &&
		                    mainPoint &&
		                    prevMainPoint &&
		                    nextMainPoint &&
		                    point.x !== mainPoint.x
		                ) {
		                    if (point.x === prevMainPoint.x) {
		                        nextMainPoint = mainPoint;
		                        mainPoint = prevMainPoint;
		                    } else if (point.x === nextMainPoint.x) {
		                        mainPoint = nextMainPoint;
		                        nextMainPoint = {
		                            close: mainSeries.yData[mainPoint.index - 1][close],
		                            x: mainSeries.xData[mainPoint.index - 1]
		                        };
		                    } else if (
		                        prevPrevMainPoint && point.x === prevPrevMainPoint.x
		                    ) {
		                        mainPoint = prevPrevMainPoint;
		                        nextMainPoint = prevMainPoint;
		                    }
		                }

		                if (nextPoint && nextMainPoint && mainPoint) {

		                    newNextPoint = {
		                        x: nextPoint.x,
		                        plotX: nextPoint.plotX,
		                        plotY: nextPoint.plotY,
		                        isNull: false
		                    };

		                    if (
		                        point.y >= mainPoint.close &&
		                        nextPoint.y >= nextMainPoint.close
		                    ) {
		                        point.color =
		                            pointColor || indicOptions.fallingTrendColor;
		                        groupedPoitns.top.push(newPoint);

		                    } else if (
		                        point.y < mainPoint.close &&
		                        nextPoint.y < nextMainPoint.close
		                    ) {
		                        point.color =
		                            pointColor || indicOptions.risingTrendColor;
		                        groupedPoitns.bottom.push(newPoint);

		                    } else {
		                        groupedPoitns.intersect.push(newPoint);
		                        groupedPoitns.intersect.push(newNextPoint);

		                        // Additional null point to make a gap in line
		                        groupedPoitns.intersect.push(merge(newNextPoint, {
		                            isNull: true
		                        }));

		                        if (
		                            point.y >= mainPoint.close &&
		                            nextPoint.y < nextMainPoint.close
		                        ) {
		                            point.color =
		                                pointColor || indicOptions.fallingTrendColor;
		                            nextPoint.color =
		                                pointColor || indicOptions.risingTrendColor;
		                            groupedPoitns.top.push(newPoint);
		                            groupedPoitns.top.push(merge(newNextPoint, {
		                                isNull: true
		                            }));
		                        } else if (
		                            point.y < mainPoint.close &&
		                            nextPoint.y >= nextMainPoint.close
		                        ) {
		                            point.color =
		                                pointColor || indicOptions.risingTrendColor;
		                            nextPoint.color =
		                                pointColor || indicOptions.fallingTrendColor;
		                            groupedPoitns.bottom.push(newPoint);
		                            groupedPoitns.bottom.push(merge(newNextPoint, {
		                                isNull: true
		                            }));
		                        }
		                    }
		                } else if (mainPoint) {
		                    if (point.y >= mainPoint.close) {
		                        point.color =
		                            pointColor || indicOptions.fallingTrendColor;
		                        groupedPoitns.top.push(newPoint);
		                    } else {
		                        point.color =
		                            pointColor || indicOptions.risingTrendColor;
		                        groupedPoitns.bottom.push(newPoint);
		                    }
		                }
		            }

		            // Generate lines:
		            H.objectEach(groupedPoitns, function (values, lineName) {
		                indicator.points = values;
		                indicator.options = merge(
		                    supertrendLineOptions[lineName].styles,
		                    gappedExtend
		                );
		                indicator.graph = indicator['graph' + lineName + 'Line'];
		                SMA.prototype.drawGraph.call(indicator);

		                // Now save line
		                indicator['graph' + lineName + 'Line'] = indicator.graph;
		            });

		            // Restore options:
		            indicator.points = indicPoints;
		            indicator.options = indicOptions;
		            indicator.graph = indicPath;
		        },

		        // Supertrend (Multiplier, Period) Formula:

		        // BASIC UPPERBAND = (HIGH + LOW) / 2 + Multiplier * ATR(Period)
		        // BASIC LOWERBAND = (HIGH + LOW) / 2 - Multiplier * ATR(Period)

		        // FINAL UPPERBAND =
		        //     IF(
		        //      Current BASICUPPERBAND  < Previous FINAL UPPERBAND AND
		        //      Previous Close > Previous FINAL UPPERBAND
		        //     ) THEN (Current BASIC UPPERBAND)
		        //     ELSE (Previous FINALUPPERBAND)

		        // FINAL LOWERBAND =
		        //     IF(
		        //      Current BASIC LOWERBAND  > Previous FINAL LOWERBAND AND
		        //      Previous Close < Previous FINAL LOWERBAND
		        //     ) THEN (Current BASIC LOWERBAND)
		        //     ELSE (Previous FINAL LOWERBAND)

		        // SUPERTREND =
		        //     IF(
		        //      Previous Supertrend == Previous FINAL UPPERBAND AND
		        //      Current Close < Current FINAL UPPERBAND
		        //     ) THAN Current FINAL UPPERBAND
		        //     ELSE IF(
		        //      Previous Supertrend == Previous FINAL LOWERBAND AND
		        //      Current Close < Current FINAL LOWERBAND
		        //     ) THAN Current FINAL UPPERBAND
		        //     ELSE IF(
		        //      Previous Supertrend == Previous FINAL UPPERBAND AND
		        //      Current Close > Current FINAL UPPERBAND
		        //     ) THAN Current FINAL LOWERBAND
		        //     ELSE IF(
		        //      Previous Supertrend == Previous FINAL LOWERBAND AND
		        //      Current Close > Current FINAL LOWERBAND
		        //     ) THAN Current FINAL LOWERBAND


		        getValues: function (series, params) {
		            var period = params.period,
		                multiplier = params.multiplier,
		                xVal = series.xData,
		                yVal = series.yData,
		                ATRData = [],
		                ST = [], // 0- date, 1- Supertrend indicator
		                xData = [],
		                yData = [],
		                close = 3,
		                low = 2,
		                high = 1,
		                periodsOffset = (period === 0) ? 0 : period - 1,
		                basicUp,
		                basicDown,
		                finalUp = [],
		                finalDown = [],
		                supertrend,
		                prevFinalUp,
		                prevFinalDown,
		                prevST, // previous Supertrend
		                prevY,
		                y,
		                i;

		            if (
		                (xVal.length <= period) || !isArray(yVal[0]) ||
		                yVal[0].length !== 4 || period < 0
		            ) {
		                return false;
		            }

		            ATRData = ATR.prototype.getValues.call(this, series, {
		                period: period
		            }).yData;

		            for (i = 0; i < ATRData.length; i++) {
		                y = yVal[periodsOffset + i];
		                prevY = yVal[periodsOffset + i - 1] || [];
		                prevFinalUp = finalUp[i - 1];
		                prevFinalDown = finalDown[i - 1];
		                prevST = yData[i - 1];

		                if (i === 0) {
		                    prevFinalUp = prevFinalDown = prevST = 0;
		                }

		                basicUp = correctFloat(
		                    (y[high] + y[low]) / 2 + multiplier * ATRData[i]
		                );
		                basicDown = correctFloat(
		                    (y[high] + y[low]) / 2 - multiplier * ATRData[i]
		                );

		                if (
		                    (basicUp < prevFinalUp) ||
		                    (prevY[close] > prevFinalUp)
		                ) {
		                    finalUp[i] = basicUp;
		                } else {
		                    finalUp[i] = prevFinalUp;
		                }

		                if (
		                    (basicDown > prevFinalDown) ||
		                    (prevY[close] < prevFinalDown)
		                ) {
		                    finalDown[i] = basicDown;
		                } else {
		                    finalDown[i] = prevFinalDown;
		                }

		                if (prevST === prevFinalUp && y[close] < finalUp[i] ||
		                    prevST === prevFinalDown && y[close] < finalDown[i]
		                ) {
		                    supertrend = finalUp[i];
		                } else if (
		                    prevST === prevFinalUp && y[close] > finalUp[i] ||
		                    prevST === prevFinalDown && y[close] > finalDown[i]
		                ) {
		                    supertrend = finalDown[i];
		                }

		                ST.push([xVal[periodsOffset + i], supertrend]);
		                xData.push(xVal[periodsOffset + i]);
		                yData.push(supertrend);
		            }

		            return {
		                values: ST,
		                xData: xData,
		                yData: yData
		            };
		        }
		    }
		);

		/**
		 * A `Supertrend indicator` series. If the [type](#series.supertrend.type)
		 * option is not specified, it is inherited from [chart.type](#chart.type).
		 *
		 * @extends   series,plotOptions.supertrend
		 * @since     7.0.0
		 * @product   highstock
		 * @excluding allAreas, color, colorAxis, cropThreshold, data, dataParser,
		 *            dataURL, joinBy, keys, navigatorOptions, negativeColor,
		 *            pointInterval, pointIntervalUnit, pointPlacement, pointRange,
		 *            pointStart, showInNavigator, stacking, threshold
		 * @apioption series.supertrend
		 */

	}(Highcharts));
	return (function () {


	}());
}));